新人教英语必修四unit4知识点讲解
新人教英语必修四unit4知识点讲解第5页

with ease (= easily) 熟练地;轻而易举地

be (feel) ill at ease 局促不安, 心神不宁

put sb at his ease 使某人宽心; 使某人感到无拘无束

stand at ease 稍息