1. 一看见......就：at the same time同时;然而,不过 | at the sight of一看见......就 | back and forth(前后)来回地,反复地

2. 一见到：at liberty 有權,隨意 | at the sight of 一見到 | at the point of 接近,靠近

3. 看见：at the same time 与此同时 | at the sight of 看见 | at the mercy of 由...支配

4. 一看见：pin sth to..把...固定在.. | at the sight of一看见 | catch sight of 一看见