Train your client communication skills with an AI client simulator. When you finish, save the session as a doc file. The language you start chatting in will be the client's language.
Practice talking to HR when you are looking for a design job. Reply to a recruiter who found you, or apply for a role yourself, then work through the intro, questions about your skills and the salary discussion. Choose how friendly the HR is and what kind of company it is. When you finish, save the session as a doc file. The language you start chatting in will be the HR's language.