shut/close sth tight She covered her ears and shut her eyes tight. 她捂着耳朵，双眼紧闭。

hold (on) tight She held tight to the handrail. 她紧紧地抓住扶手。

Hold on tight to the rope. 抓紧绳子。

tight against/across/around sth His left arm was jammed tight against the seat. 他的左臂紧紧地撑住座位。