YOU SAID:

they are acting strange and are wearing a blouse

INTO JAPANESE

彼らは奇妙な行動をしていて、ブラウスを着ています

BACK INTO ENGLISH

They are acting strange and wearing blouses

INTO JAPANESE

彼らは奇妙な行動をしており、ブラウスを着ています

BACK INTO ENGLISH

They are acting strange and wearing blouses