slack的比较级为：slacker...

slack的现在完成时为：slacked...

adj.松（弛）的，清淡的，不活跃的，懈怠的v.懈怠，偷懒，减速，放松n.宽松裤，（绳索等）松弛部分，煤屑，（人员、资金或地方的）富余的部份...

Simon allowed his pace to slacken.西蒙放慢了脚步。Muscles stretch, slacken and relax during child-birth.生孩子的时候，肌肉会拉抻、放松，然后松弛下来。We've been really busy, but things are starting to slacken off now.近来我们的确很忙，不过现在情况开始有所缓解了。Inflat...

slackening的音标：...

vt.& vi.（使）放慢，（使）放松、松懈、松弛，（使）减弱...

v.（使）松弛( slacken的过去式和过去分词 )，（使某物）放慢，松懈下来，变迟缓...

slacked的音标：...

The instructors were slacking on the job.教员们对工作松松垮垮.He had never let a foreman see him slacking.他从未在哪个工头面前表现出丝毫懈怠。The rain was slacking and we were moving along.雨稀松下来,而我们又走动了....

There was a slackening of western output during the 1930s.20世纪30年代西部的产出有所减少。Wang replied without slackening his pace.王三毛一边回答,一边只顾走.Indeed, its idea was slackening in New England by the early eighteeth century.其实, 到了十八世纪初...

He wore his cleanest slacks, a clean shirt and a navy blazer.他穿着他最干净的便裤，洁净的衬衫和藏青色上装。She was wearing black slacks and a white sweater.她身穿黑色便裤和白色毛衣。The affable Keefe a friendly smile cherubic countenance , a checked sports...

Work slackens on a hot day.热天工作缓慢.If the demand for one product slackens, another line of business can provide balance.如果一种产品的需求量减少, 另一种产品可代替它,使营业保持平衡....