私は気が短いし、口も軽い男だ。

Meaning
i'm a short-tempered and light-mouthed guy

Vocab used in this sentence

i, my, me, i am, myself, private
a, the, is, am, are, will
care, mind, air, bother, mood, atmosphere, spirit
is, there, but, ga, will, however
短い
short, brief, less, small, thumbnail
and, shi, four, death
mouth, bite, vent, lips, opening, entrance, uttered, orifice
even, also, too, well, as well, as well as
軽い
light, mild, easy, simple, minor, casual, careless
man, guy, male, husband, guy who, dude, fellow
is, be, are, am, it is, seems

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