A:Why are you laughing?
你为什么笑?
B:I can't help it.
我实在忍不住。
注释:
a.I can't help it.
(我忍不住。)
本句中的help表示“抗拒”、“忍住”,it则指问句中的laughing。
b.help表示“抗拒”或“忍住”时常用于下列句型:
cannot help+动名词忍不住……
= cannot help but+原形动词
例:When Iheard the sad news,I couldn't help crying/l couldn't help but cry.
(我听到这悲伤的消息时,忍不住哭了。)