触 - contact, touch, feel

touch; contact; touching

catalyst

infringement (of a law, treaty, etc.); contravention; running afoul

to touch; to feel; to handle

sense of touch

detonation by contact; contact detonation

rash; eruption (in response to a skin irritant)

to touch; to feel

contact; connectedness; rapport; mutual touching

feel (of something); touch; texture; sensation

advance warning; previous notice; prior announcement

at every opportunity; whenever possible; whenever the occasion arises; from time to time; occasionally