A tumour forms [appears, makes its appearance] on some part of the body.
成せばなる
He is very much of a scholar―a great deal of a scholar.
やるようにしてやればやれる
of a person, to be able to do something for someone
He seems to be something of a scholar.
やってみればできるのだ
できるよ!
納得させること
確かにする
しだいにする
to do something little by little
(約束なら)to rely upon one or one's promise―(物なら)―expect―lay one's account with―something―(結果なら)―expect―wait for―look for―count upon―calculate upon―reckon upon―lay one's account with―some event.
恩を受けること
You can do it that way.
やればできます!
つかもうとする