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attractive; good-looking; stylish; cool; smooth; neat; with-it; groovy
彼の格好いい服装に注目が集まった。
His stylish outfit drew attention.
あの俳優は本当に格好良いと思う。
I think that actor is really cool.
彼の服装は本当にかっこ良い。
His outfit is really stylish.