rile

v. [to anger or annoy.]

  ex. Cancellations and late departures rile him.

  ps.1 roil

  <> appease

ps.2 Mark Riley Chair, Department of Physics, Florida State University

rind

n. [a thick, hard or tough natural outer covering, as of a watermelon, grapefruit, or orange]

  ps.1 Peel, also known as rind or skin, is the outer protective layer of a fruit or vegetable which could be peeled off.

  ps.2 rinse (Rinse the hair)

ringlet

wkik:A ringlet is a type of hairstyle. It is achieved by wrapping a lock of hair around the length of a thin curling iron

riot

n. [wild or violent disturbance by a crowd of people]

  ex. Riots broke out in several areas.

v. [to create or engage in a riot ]

ps. Pussy Riot

riotous

riot-ous

adj. [having the nature of a riot; engaging in rioting or inciting to riot]

ripen

ripe-en

v. [to make or become ripe.]

  ex. I'm waiting for the apples to ripen.

  ps. reap

etymology: O.E. ripe "ready for reaping, fit for eating,

ripple

n. [a slight wave or undulation on the surface of water]

  ex. She threw a stone into the pond and watched the ripples spread.

v. [to form ripples or flow with a rippling or undulating motion]

   ps. ripple effect

realistic water ripple effect

ritual

n. [series of actions used in a religious or some other ceremony]

  ex. the ritual of the Japanese tea ceremony 日本茶道的儀式.

rite

n. [religious or some other solemn ceremony]

rite n.宗教儀式

bite v.咬

(冗長的宗教儀式下，想尿尿只能咬牙撐下去)

The Rite (2011) - Official Trailer

rival

n. [A rival is someone who competes with you in some way, or can equal or surpass another.]

  ex. She has no rival in the field of romantic fiction.

v. [To rival is to compete.]

etymology: 1577, from L. rivalis "a rival," originally, "one who uses the same stream" (or "one on the opposite side of the stream"), from rivus "brook" (see rivulet). The notion is of the competitiveness of neighbors. The verb is first attested 1605.

rivalry

rival-ry

n. [A rivalry is a competition or contest.]

rive, riven (我們不常見到這兩個字)

rivulet

riv(river)-u-let

n. [small stream]

rivet

n.鉚釘 [metal pin or bolt for fastening twopieces of metal together, its headless end being hammered or pressed flat to prevent slipping ]

v. [attract and strongly hold the attention of]

  ex. I was absolutely riveted by her story.

Installing Aircraft Solid Rivets

riveting

rivet-ing

adj. [If you describe something as riveting, you mean that it is extremely interesting and exciting, and that it holds your attention completely. ]

robe

n. [A robe is a loose piece of clothing which covers all of your body and reaches the ground.]

  ex. bathrobe

robust

adj. [having or exhibiting strength or vigorous health]

  ex. a robust theory.

etymology: 1549, from L. robustus "strong and hardy," originally "oaken," from robur, robus "hard timber, strength," also "a special kind of oak," named for its reddish heartwood, from L. ruber "red" (cf. robigo "rust").