noun
boot camp
Refers to an intensive training program, often military-style or for fitness, borrowed from English.
彼は夏休みにブートキャンプに参加して体力をつけた。
He participated in a boot camp during summer vacation and built up his strength.
新入社員向けのブートキャンプが来月開かれる。
A boot camp for new employees will be held next month.