認真使力（動作）
這是核心畫面本身：把力氣持續押在一件不容易的事情上。
try hard · verb · C2
To try very hard to do something, especially something that is not easy.
盡力
核心畫面
A useful way to picture it: someone leaning their whole weight into a task that does not give way easily — the effort is deliberate, sustained, and aimed at something worth reaching. Not a casual try, but putting yourself fully behind the attempt.
一個人把整個身體的重量都壓上去推一件推不太動的事。重點不在「有沒有做」，而在那份「明知不容易、還是認真使力」的姿態—…更多收起
一個人把整個身體的重量都壓上去推一件推不太動的事。重點不在「有沒有做」，而在那份「明知不容易、還是認真使力」的姿態——它比 try 更慎重、更有份量，通常也帶著正式一點的語氣。你可以把 endeavour 想成「試」的隆重版：不是隨手碰一下，而是把自己整個投進去。Two branches
這份努力本身（名詞）
同一個畫面凝結成一個可以指著看的東西：那份使力的過程，或使力所投入的那個領域。
serious attempt · noun · C2
An attempt to do something new or difficult, or serious work in a field such as science or art.
努力
原始詞典資料2 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
endeavournoun/ɪnˈdɛv.ə/
- 1
British standard spelling of endeavor.
- And these three: 1. the law over them that have sovereign power; 2. their duty; 3. their profit: are one and the same thing contained in this sentence, Salus populi suprema lex; by which must be understood, not the mere preservation of their lives, but generally their benefit and good. So that this is the general law for sovereigns: that they procure, to the uttermost of their endeavour, the good of the people.
- The like has been the endeavour of critics, logicians, and even politicians […].
endeavourverb/ɪnˈdɛv.ə/
- 1
British standard spelling of endeavor.
- And such were Prais'd who but endeavour'd well.
- The other species of philosophers consider man in the light of a reasonable rather than an active being, and endeavour to form his understanding more than cultivate his manners.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。