かんが
kangaedasu

Godan Verb (su)

1. to think out; to devise; to invent; to begin to think; to come up with a plan

Transitive
かれ問題 もんだい解決 かいけつ さく かんが そうとしたけど、無理 むりでした。
karewa mondaino kaiketsusakuo kangaedasōto shitakedo murideshita.
He tried to solve the problem, but had no luck.
Other forms: