vt.

1. 使發出咯咯聲
   A cold November wind rattled the windows.

   十一月的寒風刮得窗戶咯咯作響。

2. 【口】使窘迫不安，使驚惶失措；使惱火
   She seemed rattled about our presence.

   我們在場她顯得驚恐不安。

3. 使覺醒；使振作[（+up）]
4. 從（隱藏處）驚出獵物

vi.

1. 發出咯咯聲
   The window rattled in the wind.

   窗戶在風中嘎嘎作響。

2. 喀嚓喀嚓行進[Q]
   The old wagon rattled down the road.

   破舊的四輪運貨馬車喀嚓喀嚓地行進在路上。

3. 喋喋不休地講話[（+on/away）]
   The children rattled away merrily.

   孩子們興高采烈地哇啦哇啦講個不停。

n.

1. 咯咯聲；吵鬧聲[S]
   We could hear the rattle of milk bottles.

   我們可以聽到牛奶瓶的碰擊聲。

2. 發出咯咯聲的東西；（嬰兒玩的）撥浪鼓[C]
   The baby was playing with the rattle.

   嬰兒在玩撥浪鼓。

3. 響尾蛇尾端的響環[C]
4. 喋喋不休的空話；喋喋不休的人[S1][U]

v.

1. make or cause to make a rapid succession of short, sharp knocking sounds.
   ▸move or travel with a knocking sound:

   trains rattled past.
2. informal make nervous, worried, or irritated.
3. (rattle about/around in) be in or occupy (an unnecessarily large space).
4. (rattle something off) say, perform, or produce something quickly and effortlessly.
5. (rattle on/away) talk rapidly and at length.

n.

1. a rattling sound.
2. a thing that makes a rattling sound, in particular a baby's toy consisting of a container filled with small pellets.
   ▸the set of horny rings at the end of a rattlesnake's tail.
3. a gurgling sound in the throat.
4. archaic a person who chatters constantly.