压紧

压紧	yā jǐn	to compress
压	yā	to press / to push down / to keep under (control) / pressure
压	yà	used in 压根儿 / used in 压马路 / used in 压板
紧	jǐn	tight / strict / close at hand / near / urgent / tense / hard up / short of money / to tighten