She choked up when she began to talk about her mother.

　　她開始談起母親時(shí)，便哽咽著說不出話來。

　　'I can't bear it,' he said in a choked voice.

　　“我實(shí)在忍不下去了。”他聲音哽咽地說道。

　　She almost choked to death in the thick fumes.

　　她幾乎被濃煙嗆死。

　　Very small toys can choke a baby.

　　很小的玩具可使嬰兒窒息。

　　The plant will soon choke ponds and waterways if left unchecked.

　　如不控制這種植物的生長(zhǎng)，池塘和水道很快就要被阻塞。