know what it is (like) to to be familiar with how it feels to be or do something 了解…的感觉(或滋味) She knows what it's like to go bankrupt - it happened to her 20 years ago. 她知道破产是什么滋味 — 20年前她就破产过。 We all know what it is to have pain in our heart, and we all know how important it is to heal. 我们都知道我们的心中有苦，我们也知道去疗伤有多重要。