牢狱

yī suǒ láo yù

一所牢狱

a prison

láo yù zhī kǔ

牢狱之苦

sufferings behind bars

láo yù shēng huó

牢狱生活

experience in jail

miǎn chú láo yù zhī zāi

免除牢狱之灾

keep somebody out of jail