let ... slip (pt, pp let)
⇒ 我失手打破了花瓶。
(Wǒ shīshǒu dǎpòle huāpíng.) I let the vase slip and it broke.
⇒ 上届奥运会冠军意外失手,卫冕失败。
(Shàngjiè Àoyùnhuì guànjūn yìwài shīshǒu, wèimiǎn shībài.) The previous Olympic champion let the contest slip through his fingers and lost thetitle.
⇒ 他失手打了哥哥。
(Tā shīshǒu dǎle gēge.) He lost control and hit his brother.