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caught off guard猝不及防，失去防备
例句：I was caught off guard by his move.
他这一招真是让人猝不及防。
He won't be easily caught off guard.
他不太容易失去防备。
2.This morning,two NASA spacecrafts crashed into the moon on purpose.
on purpose故意
例句：He Buzzed off the rumor on purpose.
他故意散布谣言。
3.And she feels like she has a brand new ticker.
feel like摸起来像,有…的感觉;想要,愿意
例句：She felt like weeping but had no tears.
她欲哭无泪。