solidly

describes a belief or position that is firm and unchanging

يؤدي بثبات

to perform in a consistently good and reliable way

الأداء بطريقة جيدة وموثوقة باستمرار

أسس بقوة

to be based on a firm and reliable foundation

أن يستند إلى أساس متين وموثوق

to rain continuously and heavily