Very constrainedly, she agreed a young doctor to operate on her.
她非常勉强地同意让一位年轻医生为她作手术。
2
People pass, black and white, the Negroes frankly participants in the spirit of Spring, the whites laughing constrainedly, awkward in natural emotion.
穿梭而过的行人中有黑人也有白人，黑人自在地享受着美好的春光，白人们则强作欢笑，表情显得不自然。
3
This paper introduces several typical structures of HCB and expatiate on the principle of naturally current commutating and constrainedly current commutating.