HSK 5
要不是
yàobúshì连
if it were not for; but for
要不是你帮忙我就迟到了。
Yào bú shì nǐ bāng máng wǒ jiù chí dào le.
If you had not helped, I would have been late.
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Other HSK words sharing a character
Also free:
New in the HSK 3.0 word list at level 5.