保證…不… promise to replace sb/sth that suffer damage from a certain risk
guarantee sb/sth against〔from〕 sth
The insurance policy guarantees us all against loss.
保險(xiǎn)單保證我們大家免受損失。
This contract guarantees you against damage by fire or flood.
這份合同保證你不會(huì)因火災(zāi)或水災(zāi)而受損失。
This guaranteed them against injury.
這保證了他們不受傷。
The makers guarantee this special glass against breakage!
制造商擔(dān)保這種特種玻璃不破碎。
Good packing guarantees goods from breakage.
良好的包裝保證了商品不受損壞。
This washing machine was guaranteed against mechanical failure— I demand a new one!
這臺(tái)洗衣機(jī)出售時(shí)曾擔(dān)保過不出機(jī)械性故障——我要換一臺(tái)新的。