He cannot manage himself, so he can't be expected to manage others.
She seems too young to manage three children and that big house.
她太年轻了,看样子照顾不了三个孩子和那么大一幢房子。
James manages the local football team.
She managed the shop while the owner was away.
Disguising himself as an old man he managed to make his way through the enemy lines.
We managed to make up for the lost time.
We managed to finish the work ahead of time.
She managed to make herself understood in English.