英 [ˈɡruːəlɪŋ] 美 [ˈɡruːəlɪŋ]
adj. 折磨人的；繁重累人的；使人精疲力尽的
n. 惩罚；痛打
v. 累垮；惩罚（gruel 的 ing 形式）
gruelling /ˈgrʊəlɪŋ/
形容词 A gruelling activity is extremely difficult and tiring to do. 艰难的; 令人疲劳的
He had complained of exhaustion after his gruelling schedule over the past week.
完成上星期紧张的日程安排后，他抱怨自己已筋疲力尽。
... ineluctable 不可避免的；无法逃避的 gruelling 折磨人的；繁重累人的；使人精疲力尽的 hard-fought 激烈的；努力争取来的 ...
... grudging adj.勉强的，吝啬的 gruelling adj.繁重而累人的 gruesome adj.令人毛骨悚然的，恶心的 ...
折磨人的(gruelling), 此释义来源于网络辞典。
折磨人的；繁重累人的；使人精疲力尽的
惩罚；痛打
punishment / rod / payment / discipline
累垮；惩罚（gruel的ing形式）
I've had a gruelling day.
我一天下来累得筋疲力尽。
After the gruelling test, he felt totally spent.
紧张的考试过后，他感觉筋疲力尽了。
He had complained of exhaustion after his gruelling schedule over the past week.
完成上星期紧张的日程安排后，他抱怨自己已筋疲力尽。
Nadal, who completed a gruelling victory over Andy Murray on Thursday, looked out of sorts throughout.
He worked on his hand speed and built stamina through gruelling runs in the Brecon Beacons.
"I found the pain of studying for Schindler's List really quite gruelling, " he said.