résen van

From rés (“gap, slit, slot, crack”) +‎ -en (“on”) + van (“to be”), literally, “to be on [the] gap”.

• IPA^(key): [ˈreːʃɛɱvɒn]

résen van

1. (idiomatic) to watch out, to be prepared, (on the) alert, on one's guard, or on the ball, to be/stand on guard, to have/keep an ear to the ground, to keep a weather eye open

   Synonyms: észnél van, figyel, vigyáz, óvatos, nyitva tartja a szemét

Its imperative form Légy résen! is the Hungarian version of the scouting motto Be prepared.

• For the verb, see van.
• The inflected noun résen remains unchanged.