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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
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助かる， たすかる
1. to be saved, to be rescued, to survive
2. to escape harm, to be spared damage
3. to be helped, to be saved trouble
获救、被救、幸存；脱离危险，避免遭受损失；得到帮助，避免麻烦