been around

have been around (experienced, not naive; have had a wide experience of different situations in life) — многое повидать (на своем веку); не вчера родиться; не лаптем щи хлебать; не лыком шит; на мякине не проведешь; ~ не первый раз замужем; ~ собаку съесть

Example 1: Jane's been around; she can work with the convicts. (WM)

Example 2: Ken's been around for a long while, so he certainly knows what to do.

see also
[wasn't born yesterday]
[nobody's fool]

[тертый калач]
[не проведешь]