趁虚而入_有道手机词典

avail oneself of the opportunity to get in

1.认识到恐惧通常只是趁虚而入者。
Recognize that fear generally is a filler.
dict.yoduao.com
2.你怎么知道分手后再谈一次恋爱不是别人趁虚而入呢？
How do you know that your first post-breakup relationship isn't just a rebound?
dict.yoduao.com
3.随着细胞数量的减少，免疫系统开始失效，之后，像肺结核这样的感染则会趁虚而入。
As the cell count drops, the immune system begins to fail and opportunistic infections such as tuberculosis take hold.
dict.yoduao.com