掬黛小公主
费劲need or use great effort;be strenuous更多释义>>[网络短语] 费劲 Strenuous;rough sledding;nevermind费劲携带 schlep别费劲 why bother
平凡yifen
费劲 [词典] need or use great effort; be strenuous; moil; [例句]他学英语不太费劲。He studies English without difficulty.
创兴门窗
参考答案:strenuous exercise例句:手术后不宜做剧烈运动。After the operation, you should avoid strenuous exercise