In this episode, something surprising happens on the subway! You’ll learn how to describe actions in progress with 正在, use 的时候 to talk about when something happened, and add excitement to your stories with 忽然. 🚇☕

晚上，我坐地铁回家。我正在看手机的时候，忽然听到一个小孩子在哭。旁边的人都看过去，一个妈妈在安慰她的孩子。我笑了笑，心里想：“好可爱啊。”

Wǎn shang, wǒ zuò dì tiě huí jiā.Wǒ zhèng zài kàn shǒu jī de shí hou, hū rán tīng dào yí gè xiǎo hái zài kū.Páng biān de rén dōu kàn guò qù, yí gè mā ma zài ān wèi tā de hái zi.Wǒ xiào le xiào, xīn lǐ xiǎng: “Hǎo kě ài a.”

• 正在 — in the middle of (doing something)

• 的时候 — when / at the time of

• 忽然 — suddenly