The owner needs to be persistent, demanding and moderately strict.
This may take several tries, so make sure to be persistent.
You have to be persistent and that takes money.
I had to be persistent to overcome his shyness.
It's My Word, then you can be persistent.
And be persistent; hold on to that promise when you get it.
Et soyez tenace; accrochez-vous à cette promesse une fois que vous la recevez.
If you don't get a response right away, be persistent.
They must be persistent from one visit to the next.
Number of compounds that may be persistent, bioaccumulative and toxic.
Nombre de composés qui pourraient être persistants, bioaccumulables et toxiques.
Thus, diflufenzopyr did not appear to be persistent in soil.
Il ne semble donc pas être persistant dans le sol.
That being said, however, you'll need to be persistent.
Cela étant dit, cependant, vous devrez être persistant.
It is also necessary to be persistent to make progress.
Il est également nécessaire d'être persistant pour progresser.
She also reminds us that we need to be persistent.