-----------------------------------
大変， 大へん， たいへん
1. very, greatly, terribly, awfully
2. immense, enormous, great
3. serious, grave, dreadful, terrible
4. difficult, hard, challenging
5. major incident, disaster
非常、极其、非常严重、极其糟糕；巨大、庞大；严重、严峻、可怕、糟糕；困难的、艰难的、具有挑战性的；重大事件、灾难
-----------------------------------
お世話になる， おせわになる
1. to receive favor, to receive assistance, to receive help, to be looked after, to be taken care of, to become dependent (on), to become much obliged (to someone), to become indebted
蒙恩惠，得帮助，受援助，受照料，受关怀，依赖(于)，感激(于某人)，欠人情
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调
