to be careful, watch out, exercise caution

use, utilize

器械: a device, an appliance, a mechanism / 機械: a machine, equipment, an apparatus / 器械: a utensil, a tool, an instrument / 器械: a tool for conducting a test or experiment or for measurement

Please have a seat. / Please sit down.

Please wait

(honorific) to give / (honorific) to do something for me/us

下さる: to give

(weather) the Southern Oscillation

careless, thoughtless, inattentive

carelessness, thoughtlessness, inattention