uhir
verb動詞強求；非要；勉強insist; force; do reluctantly
Pihu可能是一定要買到火藥，所以他跟著來賺錢。
Pihu probably had to buy gunpowder, so he came along to earn some money.
當時我媽媽她們為了一定要讓我們唸書，她們就到處去賺錢。
At the time, my mother and the others were determined to make sure we went to school, so they went everywhere to earn money.