用力按 meaning in Chinese

punch

L was working out . l was doing some power crunches
我对这边用力按了几下
To avoid the possibility of damage , you should not use a needle or push the button too strongly
为防止损坏，不应使用针或过度用力按按钮。
First you should pull the pin at the end of the handle , then hold the bottom of the extinguisher with one hand and with the other , press hard the handle to eject extinguishing agent from the can to suppress fire
使用灭火器应当首先拔出位于压把根部的保险销，之后一手托住灭火器底座，一手用力按下压把，使灭火器从罐内喷射出来扑灭火灾。
With each glass of champagne , her cheeks took on a feverish flush , and a cough , which had been nothing at the start of supper , eventually became sufficiently troublesome to force her head against the back of her chair and make her hold her chest with both hands each time the coughing seized her
每饮一杯香槟酒，她的面颊上就泛起一阵发烧的红晕。夜宵开始时，她咳嗽还很轻微，慢慢地她越咳越厉害，不得不把头仰靠在椅背上，每当咳嗽发作时，她的双手便用力按住胸脯。