体力（たいりょく、tairyoku）
- physical strength

The Japanese word 体力体力（たいりょく, *tairyoku*) primarily translates to "physical strength," "stamina," "physical ability," or "vitality" in English. It refers to the overall physical capacity of a person or animal to perform activities and endure exertion. It encompasses elements like endurance, energy levels, and resistance to fatigue. The word suggests both the current state of someone's physical condition and their potential for physical performance.

⚫︎体力体力がない。 Translation: I don't have physical strength. ⚫︎ 彼は毎朝、体力体力を鍛えるためにジョギングをします。 Translation: He jogs every morning to build up his stamina. ⚫︎ 長時間の試合で、選手の体力体力が試される。 Translation: The players' stamina is tested in the long game.

⚫︎ You can use 体力体力 in various contexts to discuss someone's physical condition or ability. ⚫︎ It is appropriate when talking about sports, exercise, health, fatigue, and general well-being. ⚫︎ It can be used to describe the state of one's own body or to assess the physical condition of others. ⚫︎ 体力体力 is a versatile term suitable for both formal and informal conversations.

⚫︎ 体力体力 is typically written in kanji: 体力 ⚫︎ The reading is たいりょく (tairyoku) in hiragana. ⚫︎ There are no other common ways to write this word. ⚫︎ The okurigana (送りがな) is consistent; there are no variations.

⚫︎ 健康 (けんこう, *kenkou*) - health, well-being ⚫︎ スタミナ (sutamina) - stamina (loanword from English) ⚫︎ 活力 (かつりょく, *katsuryoku*) - vitality, energy ⚫︎ 気力 (きりょく, *kiryoku*) - willpower, mental energy (sometimes related to physical strength)

⚫︎ 虚弱 (きょじゃく, *kyojaku*) - frailty, weakness ⚫︎ 無力 (むりょく, *muryoku*) - powerlessness, weakness ⚫︎ 疲労 (ひろう, *hirou*) - fatigue

最近、仕事が忙しくて、体力体力が落ちてきた気がする。 ・Translation: Lately, I've been busy with work, and I feel like my stamina has decreased. ・Explanation: This sentence describes the speaker's feeling of reduced physical strength due to a busy work schedule.

マラソンを完走するには、相当な体力体力が必要だ。 ・Translation: To complete a marathon, a significant amount of stamina is required. ・Explanation: This example highlights the necessity of considerable physical strength for endurance activities.

⚫︎ The word 体力体力 is composed of two kanji: 体 (tai) meaning "body," and 力 (ryoku/chikara) meaning "power" or "strength." ⚫︎ Therefore, the word directly translates to "body power" or "physical strength." ⚫︎ The combination of these kanji clearly represents the concept of physical capacity.