fasten your attention on somebody/somethingATTENTIONto think a lot about one particular thing or person 集中注意力于某人/某物；认真地考虑某人/某物 He was working quietly, all his attention fastened on the task. 他静静地干着活，注意力全都集中在工作上。
→ fasten your attention on somebody/something at fasten(2)