乗り遅れるよ

you'll miss it

→ 乗り遅れる
phrase Rare #30,627
you'll miss it Used when warning someone they may fail to catch a train, bus, or other transportation. The ending よ adds emphasis; this plain form is casual.
JA: 急がないと、バスに乗り遅れるよ。
EN: Hurry up, or you'll miss the bus.