55. 总工程师 a chief engineer
54. 付支票 pay by cheque/ check
53. 使高兴起来;使振作起来 cheer up
52. 寄存;向旅馆结帐退房;查证属实 check out
51. 登记办理住宿手续;办理登机手续 check in
50. 骗某人钱 cheat sb of money
49. 主管;负责 be in charge of
48. 免费 free of charge
47. 控告某人--- charge --- with---
46. 要价 charge for