About
HSK levels

    便中

    biànzhōng

    1. at one's convenience; when it's convenient

    你什么时候有空就来找我,便中告诉我一声。 nǐ shénme shíhou yǒu kòng jiù lái zhǎo wǒ, biànzhōng gàosu wǒ yī shēng.