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- 一夫当关，万夫莫开。If one man guards the pass, ten thousand are unable to get through.
- 一夫当关，万夫莫开if one man guards the pass, ten thousand cannot get through
- 一夫当关，万夫莫开。If one man guards the pass, ten thousand are unable to get through.
- 开open
- 开关power switch
- 花开bloom
- 万夫莫当more than a match for ten thousand men
- 开票make out an invoice
- 开车to drive a car
- 开店set up shop
- 开花abloom
- 开门open (the) door
- 隔开to separate
- 开出burst into
- 开题报告opening speech; opening report
- 开本format
- 开发票invoice
- 开奖draw a lottery
- 不开心bile
- 离不开be unable to do without
