puzzling

adj.

使为难的，费解的，令人困惑的；

v.

使迷惑，使难解( puzzle的现在分词 )；为难，伤脑筋，苦思；

jigsaw puzzle n. 七巧板；智力拼图玩具

crossword puzzle纵横字谜游戏

puzzle out苦苦思索而弄清楚

chinese puzzle中国智力玩具（如七巧板、九连环等）；复杂难懂的事物

puzzle over努力思考；为…烦恼；苦苦思考

1. The teacher's explanation clarify the puzzling problem.
   老师的说明澄清了困扰的问题。
2. through main
   
3. No biographer has been able to explain these puzzling words.
   没有传记作者能解释这些迷一般的话。

1. I have been puzzling about this question for weeks now.
   我对这个问题已冥思苦想了好几个星期。
2. She's been puzzling over his strange letter for weeks.
   她几个星期也琢磨不透他那封奇怪的来信。

The Puzzling Persistence of the Distance Effect on Bilateral Trade
Some puzzling pharmacological effects of monoamine oxidase inhibitors.
The puzzling association between smoking and hypertension during pregnancy.
Herschel unveils a puzzling uniformity of distant dusty galaxies
Lipid-transfer proteins: a puzzling family of plant proteins
Puzzling associations between childhood infections and the later occurrence of asthma and atopy
Land tenure security and investment incentives: puzzling evidence from Burkina Faso
Resolving the Puzzling Intertemporal Relation between the Market Risk Premium and Conditional Market Variance: A Two‐Factor Approach
BK-virus nephropathy in renal transplants-tubular necrosis, MHC-class II expression and rejection in a puzzling game.
Borromean links and other non-conventional links in polycatenated coordination polymers: Reexamination of some puzzling networks