You are learning greetings and the six tones: you will read the scene it happens in, take apart the pattern behind them (sáu thanh điệu — the six tones), hear them in a conversation, rehearse them, and finish by saying one thing out loud to be graded.
Phở Gia Truyền Bát Đàn, 49 Bát Đàn, Hoàn Kiếm. Opens 6am, closes when the broth runs out — usually by 10am. One menu item. Perfect phở bò. Your first Vietnamese words.
Phở Gia Truyền Bát Đàn has been on this narrow Hoàn Kiếm street since 1955. The broth has been simmering since 3am — beef bones, star anise, cinnamon, charred ginger. The shop has plastic stools, no menu (there is only phở bò), and a queue that starts before dawn.
The stranger joins the line. When he reaches the counter, an older woman looks up. 「Cho tôi một bát phở bò.」 She marks it without looking back up. He holds up one finger to confirm.
The bowl arrives: clear amber broth, rice noodles, paper-thin slices of beef, spring onion. Bean sprouts, basil, lime, chili on the side. He adds everything. Lifts the chopsticks, lowers his face, breathes in.
This is Hanoi. This is why he learned cho tôi.