between a rock and a hard place 的意思
你好。between a rock and a hard place翻译成中文是：在岩石和坚硬的地方。
——————希望帮到你，满意请采纳。
come-and-go是什么意思
come-and-go
[英]['kʌmən'gəʊ][美]['kʌmən'goʊ]
n.
来回，往来，交通;
双语例句
1
Add close client and server join to be able to make with this kind of form not accredit user consults extremely hard the data of come-and-go.
以这种形式加密客户与服务器连接可使未授权用户极难查阅往来的数据。
2
Have “ maritime taxi ” the aeroboat airframe that say is cabinet, rate is rapid also, suit come-and-go to be apart from further isle.
有“海上出租车”之称的水上飞机机身小巧，速度也快，适合往来距离较远的小岛。