Walked her round the lawn once, keeping a firm grip on her, then took her back inside.

带着她在草坪上逛，紧紧地抓着她，然后就把她带回去了。

It would squeeze the capsule tightly as the heart contracted and still keep a firm grip on it when the heart was relaxed.

它可以随着心脏的收缩轻微挤压胶囊，且在心脏放松时，也能紧紧抓住。

The recession could be avoided if business keeps a firm grip on its costs.

【grip】企业如果严格控制成本就可以避免不景气。

10 The scepter shall not leave Judah; he'll keep a firm grip on the command staff Until the ultimate ruler comes and the nations obey him.

10 圭必不离犹大，杖必不离他两脚之间，直等细罗（就是赐平安者）来到，万民都必归顺。