The English word regarding awkward and clumsy individual is a "klutz/clutz." Klutz/clutz is a diminutive word and is should not be regarded as polite.
an oaf
gauche
a clumsy person.... awkward...
An adolescent who is clumsy or awkward can be referred to as a "klutz," "bumbler," or "clod."
Most adolescents feel clumsy and awkward because its in their nature to be like that. Also they may have started to develop feelings for one another and think that its awkward to be around people of the opposite sex.
Other names for clumsy are awkward, uncoordinated, ungainly, graceless, and inelegant. Clumsy means lacking social skills and graces, or done in an awkward manner.
clumsy, awkward
clumsy, awkward, hard to handle
clumsy, awkward
awkward
She was so clumsy that she dropped her phone three times in one day.
awkward means clumsy and weird