Definition: relaxed and free from pain Level: B1
和朋友们在一起让我感到很自在。
I feel ___comfortable when I am with my friends.
我穿高跟鞋时总觉得不舒服。
I never feel ___comfortable wearing high heels.
请进来，随便坐，别拘束。
Please come in and make yourself ___comfortable.
