形容詞 burdensome:

1. not easily borne; wearing
   同義詞：onerous, taxing

1. An unpleasant or burdensome task.
   令人討厭的或繁重的工作

bur.den.some

adj.（形容詞）
Of or like a burden; onerous.
負擔的，難于負擔的：是或象負擔的；繁重的

【引伸】
bur.densomely
adv.（副詞）
bur.densomeness
n.（名詞）
<參考詞匯><同義詞>burdensome,onerous,oppressive,arduous,demanding,rigorous,exactingThese adjectives all apply to what imposes a severe test of bodily or spiritual strength.
這些形容詞都適用于將體力或精神的繁重考驗強加于人的事物。
Burdensome is associated with both mental and physical hardship:
Burdensome 與體力和腦力的重負都有關：
例句：
The burdensome task of preparing her income tax return awaited her.
準備所得稅償還的繁重任務等著她去完成。

Onerous adds toburdensome the connotation of the figuratively heavy load imposed by something irksome or annoying:
Onerous 加深了brudensome 一詞被煩人的或令人討厭的事物強加的比喻為繁重負擔的含義：
例句：
My duties weren`t onerous; I only had to greet the guests. Somethingoppressive weighs one down in body or spirit, as by subjection to an overpowering natural influence or to the harsh or unjust exercise of power:
我的任務不太繁重；我只須會見客人。 某件oppressive 的事物是形容使人在身體或精神上肩負重擔的事物， 如因征服超自然力或困難的影響或權力的不公正使用而引起的：

例句：
oppressive humidity.
難以忍受的謙恭。

例句：
.Old forms of government finally grow so oppressive that they must be thrown off. (Herbert Spencer).
.政府的舊形式變得太暴虐了以致于必須被取締. （赫伯特·斯潘塞）。

Arduous emphasizes the expenditure of sustained and often exhausting labor:
Arduous 強調(diào)持續(xù)不斷的經(jīng)常使人精疲力竭的勞動：
例句：
Learning a new role is a long and arduous undertaking.Demanding, rigorous, and exacting imply the imposition of severe and uncompromising demands:
學習扮演一個新的角色是一項長期而又使人疲憊的任務。Demanding, rigorous和 exacting 暗指具有嚴格的且不易通融的要求的任務：

例句：
Music is a demanding art.
音樂是一門嚴謹?shù)乃囆g。

例句：
.Yet out of this unflattering, rigorous realism . . . Swift made great art. (M.D. Aeschliman).
.在這種毫不夸張的嚴格寫實主義之外…斯威夫特創(chuàng)造出了偉大的藝術. (M·D·艾奇里曼）。

例句：
Making a petit point pillow is exacting work.
做一個小花邊編織枕頭是一項細致活兒。