杞人忧天 Unfounded ; meet trouble halfway ; borrow trouble ; fike

杞人忧天者 alarmist ; Worrywart

勿杞人忧天 Don't meet trouble half-way ; Don't cross a bridge till you come to it

杞人忧天约 be worrier about

天冬地黄枸杞煎剂 TDGJ

不必杞人忧天 If the sky falls we shall catch larks

天山枸杞 tianshan wolfberry

莫杞人忧天 Don't cross the bridge until you come to it

杞人忧天式的幽默 Owl at Home