| English | Russian |
| have a profound knowledge of | досконально знать (The officer who interviewed Johnson and Clarke had a profound knowledge of the company's finances and business plans. ART Vancouver) |
| have profound knowledge of something | досконально знать (что-либо) |
| he has a profound knowledge of the subject | он глубоко знает этот предмет |
| he makes no pretence to profound knowledge | он и не претендует на глубокие знания |
| profound knowledge | глубокие знания |