Tra từ shy - Từ điển American Heritage Dictionary 4th

I. shy¹ (shī)adj. shi·er, (shīʹər) or shy·er shi·est (shīʹĭst) or shy·est
1. Easily startled; timid.
2.
a. Drawing back from contact or familiarity with others; retiring or reserved.
b. Marked by reserve or diffidence:
a shy glance.
3. Distrustful; wary:
shy of strangers.
4. Not having paid an amount due, as one's ante in poker.
5. Short; lacking:
Eleven is one shy of a dozen.intr.v. shied, (shīd) shy·ing, shies (shīz)
1. To move suddenly, as if startled; start.
2. To draw back, as from fear or caution; recoil.n. pl. shies (shīz)
A sudden movement, as from fright; a start. [Middle English schey, from Old English scēoh.] shyʹer n.shyʹly adv.shyʹness n.
Synonyms: shy¹, bashful, diffident, modest, coy, demure
These adjectives mean not forward but marked by a retiring nature, reticence, or a reserve of manner. One who is shy draws back from others, either because of a withdrawn nature or out of timidity: “The poor man was shy and hated society” (George Bernard Shaw). Bashful suggests self-consciousness or awkwardness in the presence of others: “I never laughed, being bashful./Lowering my head, I looked at the wall” (Ezra Pound). Diffident implies lack of self-confidence: He was too diffident to express his opinion. Modest is associated with an unassertive nature and absence of vanity or pretension: Despite her fame she remained a modest, unassuming person. Coy usually implies feigned, often flirtatious shyness: “yielded with coy submission” (John Milton). Demure often denotes an affected shyness or modesty: Her assistant nodded in agreement, flashing a demure smile. II. shy² (shī)v. shied, (shīd) shy·ing, shies (shīz)v. tr.
To throw (something) with a swift motion; fling.v. intr.
To throw something with a swift motion.n. pl. shies (shīz)
1. A quick throw; a fling.
2. Informal. A gibe; a sneer.
3. Informal. An attempt; a try. [Perhaps from shy¹.]