choose fish as [for] the main course
メインディッシュに魚料理を選ぶ
choose one among many things
多くのものから1つ選ぶ
choose one's own mate
配偶者を選ぶ
choose one's words (carefully)
言葉を(慎重に)選ぶ
Choose such friends as will benefit you.
自分のためになるような友だちを選びなさい
choose the best course of action
最善策を選ぶ
Choose whichever you want [like].
どれ[どちら]でもほしいものを選びなさい
chop a path through the forest
森に道を切り開く
chop an onion into pieces
玉ねぎ1玉をみじん切りにする
chop down trees
木を伐採する