一抹泪光诉尽百般思念一丝微笑掩饰千般不舍
[yī mŏ lèi guāng sù jĭn băi bān sī niàn yī sī wēi xiào yăn shì qiān bān bù shè]
It describes two seemingly conflicting yet profoundly interrelated emotions: On one side, the hint of tears expresses deep longing (homesickness or love), indicating that sometimes just a glimpse of sadness is enough to convey various complex emotional experiences. The smile tries to cover countless unwillingness, revealing a person may appear happy outwardly while concealing the sorrow within; it could mean a brave or gentle expression during farewells or partings.