立时 (lì shí) — immediately; at once | Dicionário de Chinês TongTong

Definição

Literary 'immediately, at once' — stronger and more written-sounding than 立刻, and a step more formal than 马上.

adverb

immediatelyat once

，立时。
Tīng dào zhè ge xiāo xi, tā lì shí míng bai le.
Upon hearing this news, he understood immediately.
，立时。
Shì gù fā shēng zhī hòu, jiù yuán rén yuán lì shí gǎn dào xiàn chǎng.
After the accident occurred, rescue workers immediately rushed to the scene.
，立时。
Kàn dào duì fāng fèn nù de biǎo qíng, tā lì shí dào qiàn le.
Seeing the other person's angry expression, he apologized at once.