a situation without problems or difficulties
没有问题或困难的情况 (meiyou wenti huo kunnan de qingkuang)
"Once we crossed the border, it was smooth sailing."
"我们一过边境，一切都很顺利。" (women yi guo bianjing, yiqie dou hen shunli)
a person who only works becomes dull and boring
to test the limits or performance of an AI system
If you love someone, you must accept their flaws too.
to suffer the consequences of one’s actions
to sleep very peacefully and comfortably
to describe exactly what is causing a situation or problem
