(a) Inside (a solid object); immersed, or partly immersed, in (a fluid substance); enclosed in (fire, the air, etc.); (b) into (a solid, liquid, etc.); (c) in or into the surface of (sth.), pierced or……
(a) Towards (sb.), to meet (sb.); (b) in front of (sb.), before, facing; (c) against (sb. or sth.), contrary to, in opposition to; (d) in anticipation of (sb. or sth.), in preparation for; (e) in……