英 [kənˈstreɪnədli] 美 [kənstˈreɪnədli]
adv. 勉强地；强迫地；不自然地
in a constrained manner
... constrain 强迫 constrained 被强迫的 constrainedly 强制地 ...
勉强地 constrainedly; limpingly; loathly; narrowly; reluctantly; with a bad grace; with reluctance 不勉强的 unforced; unstrained .
constrained 拘泥的；被强迫的；不舒服的
constraint [数] 约束；局促，态度不自然；强制
constrained 驱使；强迫；勉强（constrain的过去分词）
constrain 驱使；强迫；束缚
勉强地；强迫地；不自然地
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。
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。
This paper introduces several typical structures of HCB and expatiate on the principle of naturally current commutating and constrainedly current commutating.
介绍了几种混合式断路器的典型结构，阐述了自然换流和强制换流的原理。