人去楼空 饱学之士 有机可乘 水乳交融 无所事事 无穷无尽 筚路蓝缕 多多益善 添油加醋 若有所失
Photo by freestocks.org from Pexels “#idiom644214#”，汉语成语，意思是有机会可以利用，有空子可钻。可以翻译为“there's an opportunity to take advantage of; there's a loophole that can be used; have a loophole to ...