A dictionary of Confusable Phrases: More Than 10,000 Idioms and Collocations

Note: 
Neither expression correlates in meaning with the phrase
sing like a canary
—(U.S. Underworld) turn informer: You
don’t think they’d sing like canaries? … If they thought it
would help them, they’d tell on their mothers.
sing the same song • speak the same language
sing the same song —(also: tell the same tale) express the same
ideas or opinions as another person: After you have been here
twelve months, you will sing the same song as I do now.
speak the same language —(also: talk the same language) have
an understanding with smb. through similarity of outlook:
We no longer speak the same language. To them, terms like
“democracy” signify the opposite of what they mean to me.
single-handed • with one hand tied behind one’s
back
single-handed — perform smth. alone or unaided: Most of
the work was done single-handed with some help from inter-
ested local residents and a few friends.
Note:
The expression is not antonymous in meaning to the
phrase with both hands—
1
. with all one’s might; with over-
whelming enthusiasm: The government seized the opportunity
with both hands. In the ensuing decade, it built countless
office blocks and hotels. 2. (in the phrase “grab one’s life with
both hands”) take control of one’s life instead of just letting things
happen: I want to grab my life with both hands and shake it
up a little. To be confident and unafraid to try new things.
with one hand tied behind one’s back —(also: with both hands
tied behind one’s back) 
1
. do smth. very easily or without effort:
I could do it with one hand tied behind my back, but they
wouldn’t give the research to a youngster. 2. being prevented
from doing smth. or restricted in one’s freedom to act: They
want you and me to participate in this debate about funda-
mental freedoms with one hand tied behind our back.