fret

詞意辨析：

worry, brood, care, fret

這些動詞均有“煩惱、擔憂”之意。
worry: 普通用詞，著重使人焦慮、煩惱或深深不安。
brood: 語氣比worry強，多指沉思、沮喪或憂鬱。
care: 多指極強烈的關心和憂慮。常帶純客觀的意味。
fret: 通常指因悲哀、焦慮或憂愁等所困擾的心理狀態。　

詞型變化：

動詞過去式:fretted 過去分詞:fretted 現在分詞:fretting 第三人稱單數:frets 

英文解釋：

名詞 fret:

1. agitation resulting from active worry
   同義詞：stew, sweat, lather, swither
2. a spot that has been worn away by abrasion or erosion
   同義詞：worn spot
3. an ornamental pattern consisting of repeated vertical and horizontal lines (often in relief)
   同義詞：Greek fret, Greek key, key pattern
4. a small bar of metal across the fingerboard of a musical instrument; when the string is stopped by a finger at the metal bar it will produce a note of the desired pitch

動詞 fret:

1. worry unnecessarily or excessively
   同義詞：fuss, niggle
2. be agitated or irritated
3. provide (a musical instrument) with frets
4. become or make sore by or as if by rubbing
   同義詞：chafe, gall
5. cause annoyance in
6. gnaw into; make resentful or angry
   同義詞：eat into, rankle, grate
7. carve a pattern into
8. decorate with an interlaced design
9. be too tight; rub or press
   同義詞：choke, gag
10. cause friction
    同義詞：rub, fray, chafe, scratch
11. remove soil or rock
    同義詞：erode, eat away
12. wear away or erode
    同義詞：eat away

英文字典

相關句子：

1. Don't fret, we'll get there on time.
   別著急，我們能準時到那裡。
2. Fretting about it won't help.
   發愁於事無補。
3. Babies often fret (themselves) when their mothers are not near.
   嬰兒常常因母親不在身邊而哭鬧。
4. You are fretting yourself needlessly.
   你是在不必要地折磨自己。