أحسن الله إليكم In cases of need on can say word of shirk while his heart is filled with iman ex. Enemy tourture How about others forms of worship like slaughter because when I heard the hadith of the one who entered hell for sacrificing a fly for an idol I thought what if one is forced?

Ustadh AbdulAziz al-Haqqan

This was the legislation of those before us that they are not excused as for us alhamdulilah we are. And i have tackled this in depth in the explanation of the book of tawheed in level 2