chequered

adj.

好运和恶运交替的；

1. The chequered background is a little distracting.
   黑白格子的背景有点让人分心。
2. He was dressed in a chequered jacket and bell bottomed trousers.
   他穿了一件方格夹克、一条喇叭裤。
3. This city has had a chequered history.
   这座城市曾有一段盛衰无常的历史。

Chequered surfaces and complex matrices
Fungal symbioses in hornworts: a chequered history.
From poison to remedy: the chequered history of botulinum toxin
The Ecology of the Chequered Skipper Butterfly Carterocephalus palaemon in Scotland. I. Microhabitat
the Ecology of the Chequered Skipper Butterfly Carterocephalus Palaemon in Scotland .1. Microhabitat
The chequered history of the development and use of simultaneous equations for the accurate determination of chlorophylls a and b.
The chequered history of the development and use of simultaneous equations for the accurate determination of chlorophylls a and b
The Ecology of the Chequered Skipper Butterfly Carterocephalus palaemon in Scotland. II. Foodplant Quality and Population Range
Environmental influences on mate location in male chequered skipper butterflies, Carterocephalus palaemon (Lepidoptera: Hesperiidae)
Patch size and connectivity influence the population turnover of the threatened chequered blue butterfly, Scolitantides orion (Lepid...