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to tear to pieces; to tear to shreds; to tear up
to pick (e.g. fruit); to pluck; to tear off
to do ... heavily; to do ... heartily; to do ... vigorously
色画用紙を手でちぎってコラージュ作品を作った。
I tore colored paper by hand to make a collage.
レタスを手でちぎってサラダに入れた。
I tore the lettuce by hand and put it in the salad.
祖母がパンを小さくちぎっている。
My grandmother is tearing bread into small pieces.