如何使用 "sough" 造句

1. Approval should be sough before doctors carry out such operations .
医生在做这样的手术前必须获经同意。
2. Keep a calm sough ...... , hear every man 's counsel , and keep your own .
别出声,听听各人的意见,不要忙表态。
3. He also sough support from indian communist groups for establishing a different kind of governance system in nepal .
他又说,为在尼泊尔建议一个不同的统治制度,他寻求印度共产主义组织的帮助。