Some examples and use cases from the internet:

Some examples and use cases from the internet:

• It is important for mobile professionals to realise that they must be proficient in the language of their host country since the ability to communicate is a prerequisite for practising.
• He'd be proficient in sewing skins and hides.
• Secondly, the target year for this decision is 2001;European citizens could become proficient in other languages as is shown by the fact that all people who speak minority languages, without exception, have in common an excellent training in this field.
• individual experts should also be proficient in a language which is customary in the sphere of finance at a level which allows them to contribute to discussions and report drafting in that language.
• be proficient in at least one of the following languages: English, French or Spanish,
• While retaining their own distinctive culture, which makes Europe a richer place, they must respect their state, be proficient in its language and have the knowledge of its history and traditions.
• members must be proficient in English at a level which allows them to contribute to discussions and preparation of reports.

• I'm proficient in Mandarin and Japanese, you know.
• Proficient in folk dancing I see.
• Secondly, the target year for this decision is 2001;European citizens could become proficient in other languages as is shown by the fact that all people who speak minority languages, without exception, have in common an excellent training in this field.
• He'd be proficient in sewing skins and hides.
• I'm not proficient in that sort of...
• You would have been proficient in anything, Lady Catherine.
• He fought someone proficient in martial arts.
• He seems to be very proficient in his chosen profession.