当我们形容某人工作状态是 at full stretch, 这就意味着他已经是竭尽全力的在工作。

例句

New models of mobile phones are very popular and manufacturers have been working at full stretch to meet the demand.

My mother wants to make my granny's 70th birthday the event of the year and she's been working at full stretch in the kitchen to prepare her best dishes.

请注意

短语 to stretch the rule 字面意思是把规则拉长，实际是指做的事情有违规则， 但情有可原。

My boss is very strict when it comes to taking days off but when I my son had a stomach bug he stretched the rules and allowed me to work from home.