HSK 7-9
见外
jiànwài形
to treat sb with the formal courtesy accorded to a host or a guest
都是老朋友，你别这么见外。
Dōu shì lǎo péng you, nǐ bié zhè me jiàn wài.
We are old friends, so do not be so formal with me.
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Other HSK words sharing a character
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Appears across levels (7-9) in the HSK 3.0 word list.