语言誓约 yǔ yán shì yuē

DEFINITIONS

  1. language pledge (to speak only the target language in a language school)

CHARACTERS

语 yǔ
HSK 1
language, words; saying, expression
言 yán
HSK 4
words, speech; speak, say
誓 shì
HSK 6
swear, pledge; oath
约 yuē
HSK 4
treaty, agreement, covenant