(one's) passport to (something) phrase
That which enables one to achieve, discover or get access to something good or worth having or doing.
This certificate is my passport to a decent job.
This phone is the police's passport to solving the crime.
A softly mellifluous voice is her passport to a professional singing career.
A resource that will allow the possessor to access to power, knowledge or understanding
The origin of this phrase is not clear.
To be very wet
Because of forgetting bringing an umbrella, I look like a drowned rat when it rains.