(of the way in which one feels a passion or desire) strongly / (of the way in which one feels a passion or desire) deeply / (of the way in which one feels a passion or desire) really / (of the way in which one feels a passion or desire) keenly

admonish

caution *someone [against] / advise *someone [against] / admonishing / warn / exhort / admonish

admonish / give an address of instruction

exhort / admonish

dig into / prove into / delve into / look into / get to the bottom of

delve / investigate

probe / delve into

dig into / prove into / delve into / look into / get to the bottom of

encounter / meet / come across / face