1、要紧、抓紧、绷紧、紧张、赶紧、紧急、紧凑、紧密、紧迫、紧缩；2、紧邻、松紧、吃紧、嘴紧、紧要、紧缺、严紧、打紧、口紧、上紧；3、手紧、关紧、当紧、紧事、紧地、紧严、紧身、紧闭、紧逼、紧记；4......