三万英尺001
1.沉重的担子 2.比喻繁重的责任
基本解释1. [heavy burden]∶沉重的担子。租税重担。2. [heavy responsibilities]∶比喻繁重的责任。抢挑重担。1. 斤量重的担子。比喻繁重的工作。《北史·外戚传·李惠》:“人有负盐负薪者,同释重担息树阴。”《人民文学》1978年第8期:“总理专拣重担挑,接力传筐不辞劳。”2. 喻指沉重的生活、精神负担。《大迦叶问大宝积正法经》卷二:“爱语先问讯,忧愍于重担。” 周而复《上海的早晨》第一部三:“为了家里的生活,她想勇敢地挑起这副重担。” 更多→ 重担
heavy burden; heavy responsibilities

南南南南者
其实如果用英语解释区别就很明确了:pressure:the action of putting force or weight onto sth. eg:The pressure of the water turns this wheel,and this is used to make electric power. stress:(a state of wory resulting from)pressure caused by the problems of living,too much work,etc. eg:He's under a lot of stress because his wife is very ill.strain:the condition of being tightly pulled or streched eg:The rope broke under the strain.burden:sth. that is carried;a load eg:a heavy burden
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