GPT答：

7i24.cn

1.一马平川：all smooth sailing
2.守口如瓶：tight-lipped 
3.投鼠忌器：not one’s cup of tea  
4.千变万化：variable 
5.举棋不定：in doubt 
6.无暇顾及：not to mention
7.顺水推舟：go with the flow 
8.遗憾落泪：weep over 
9.苦心经营：put in a lot of effort 
10.千里之行，始于足下：it’s a long journey of a thousand miles, and it starts with a single step.